WRIST STRAP AUDITOR FIXTURE
Contents
1. 1 If the Resistance Meter indicates 0 Ohms the continuity test for the CUFF amp CORD test function is acceptable Proceed to the CORD ONLY functional test 2 If the meter indicates infinity or a high resistance check the rocker switch position and test lead connections and repeat the continuity test 3 If the Resistance Meter does not indicate 0 Ohms do not use the PWA 805 Auditor Contact Prostat Customer Service 2 Functional Continuity Test of the CORD ONLY measurement function a Rev A January 1995 Connect the test leads from the Resistance Meter to the PWA 805 Auditor METER recep tacles NOTE Prior to using the Resistance Meter read the Operations Manual Plug an auxiliary test lead into the YELLOW CORD receptacle Use a straight test lead equipped with banana plugs For ease of handling install an alligator clip on one end of the test lead Select the CONTINUITY TEST position on the Resistance Meter Touch the free end of the installed test lead to the PWA 805 7 mm male CORD SNAP termi nal Select the fixture rocker switch right position labeled CORD ONLY Push the TEST button on the Resistance Meter The Resistance Meter should indicate 0 Ohms Figure 3 PWA 805 Continuity Test of Cord Only Function PWA 805 Wrist Strap Auditor Fixture g CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied 1 If the Resistance Mete2. Should the Functional continuity check indicate improper operation of the fix ture OR the fixture becomes damaged do not use the PWA 805 Contact Prostat Customer Service Department for further instructions DO NOT USE THE PWA 805 AUDITOR if it becomes damaged in any way Only qualified instrument repair personnel should open terminal connections or repair the PWA 805 AUDITOR Do not store or use in damp environments Always store the PWA 805 in its protective case lll Equipment Inspection amp Initial Preparation for Use A Basic Description Rev A January 1995 The PWA 805 Wrist Strap Auditor Fixture consists of two metal cylinder electrodes mounted on a plastic base and wired to a switch cord connection points and meter input receptacles 1 The metal cylinder can electrodes are used to mount wrist strap cuffs for continuity and resis tance measurements A YELLOW cord receptacle allows the wrist strap grounding cord to be plugged into the fixture s test circuit Two meter input receptacles RED and BLACK are provided to connect the Resistance Meter to the fixture s test circuit The Resistance Meter provides all resistance measurements for the PWA 805 Auditor Two male snap posts one 7 mm and one 4 mm are provided for mounting the cuff snap end of the grounding cord to the fixture circuit during Cord Only measurements A three position rocker switch BLACK allows resistance measurements of the
3. Mode is used to hold the cuff me chanically it is not in the measurement circuit The RIGHT can electrode is in the measure ment circuit Consequently the inner cuff surface must contact the RIGHT can electrode to obtain an accurate measurement 3 Mount the wrist strap cuff to the PWA 805 fixture as follows a Loosen the adjustable RIGHT can electrode and slide it toward the LEFT can electrode b Position the inner surface of the cuff buckle against the LEFT can electrode and hold it firmly in position with your left hand c With your right hand stretch the cuff over and onto the adjustable RIGHT can electrode d Slide the adjustable RIGHT can electrode toward the right side of the fixture until there are 1 to 2 pounds of tension on the wrist strap cuff e Tighten the RIGHT can electrodes locking screw 4 Plug the wrist strap s ground cord banana plug into the YELLOW CORD receptacle 5 The wrist strap is now mounted on the PWA 80S fixture Be sure a The cuff is positioned smoothly on the sides of the two can electrodes b The ground cord is properly attached to the cuff buckle c The ground cord banana plug is fully inserted into the YELLOW CORD receptacle 6 Select the 10 volt position on the Resistance Meter and push the TEST button to obtain a resis tance measurement Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture CUFF AND CORD POSITION Figure 5 PWA 805 Resistance Measurement of a
4. RANGE FOR OPERATIONAL WRIST STRAP ASSEMBLIES Rev A January 1995 15 PWA 805 Wrist Strap Auditor Fixture V Maintenance The user serviceable parts in the PWA 80S Wrist Strap Auditor are basically terminal connections A Care should be take to keep all connections free from dirt and dust B Occasionally a snap post may loosen Tighten with a an appropriate screw driver The fixture case may require opening to lock terminal connections C If in doubt contact Prostat Customer Service for assistance or return of the unit PWA 805 Wrist Strap Auditor Fixture Specifications Fixture Case 4 6 Lx 2 75 W x 0 95 H inches Wrist Strap Two 2 top mounted metal cylinders 1 fixed 1 adjustable for cuff size Cylinders Cylinder Diameter 1 25 x 1 0 H Adjustable cylinder equipped with knurled locking screw for positioning Comtrols Three position rocker switch 1 Cuff Only Resistance between Cylinders 2 Cuff amp Cord Assembly Resistance from cord ground point to cuff cylinder 3 Cord Only Resistance from cord ground point to cuff snap connections Connections Resistance Meter 2 banana receptacles for meter leads Cord Groundable Point 1 banana receptacle 2 Cord Cuff Snaps 1 each 7mm diameter 1 each 4mm diameter Power Not Applicable The fixture is used in conjunction with the Resistance Meter and test leads Weight 4 5 oz Warranty One year limited warranty 16 Rev A January 1995 Rev A January 1
5. Strap Auditor Fixture 4 The wrist strap cuff is now mounted on the PWA 805 fixture Be sure the cuff is positioned smoothly on the sides of the two can erectrodes and the buckle is between the cans BUCKLE BETWEEN THE TWO CANS CUFF ONLY POSITION Figure 7 Resistance Measurement of a wrist strap Cuff only Outer Surface 5 Select the 10 volt position on the Resistance Meter and push the TEST button to obtain a resis tance measurement CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied a Most US wrist strap cuff outer surfaces are designed to indicate high resistance insulative and measure well above 1 0x10 Ohms b Defective wrist strap cuffs will measure well below 1 0x10 Ohms CHECK YOUR ESD OPERA TIONS STANDARDS TO DEFINE THE PROPER RESISTANCE RANGE FOR OPERATIONAL WRIST STRAP ASSEMBLIES 6 Repeat the outer cuff surface measurements at 100 volts E Resistance Measurement of a wrist strap ground cord i e CORD ONLY 1 Connect the test leads from the Resistance Meter to the PWA 805 Auditor RED and BLACK METER receptacles 2 Place the rocker switch in the right CORD ONLY position IMPORTANT OPERATIONAL NOTE In this measurement mode both the 7 mm and the 4 mm CORD SNAPs as well as the YELLOW CORD receptacle are in the measurement circuit 14 Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture 3 Do Not Mount the wrist stra
6. wrist strap assembly Cuff amp Cord CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied OPERATIONAL HINT During the measurement one might wish to check for opens in the ground cord or poor connections by stretching various parts of the cord and observing the meter indication Wiggling the snap connections may indicate a loose fitting snap a Most US wrist straps are designed to measure approximately 1 0x10 Ohms 20 percent i e 8 0x10 to 1 2x10 Ohms b Specially designed wrist straps used in munitions are lower in resistance while others are designed for higher resistance levels as in some international markets c Defective wrist straps will measure well above 1 0x10 Ohms CHECK YOUR ESD OPERA TIONS STANDARDS TO DEFINE THE PROPER RESISTANCE RANGE FOR OPERATIONAL WRIST STRAP ASSEMBLIES d Ifthe wrist strap indicates defective or you wish to further define the wrist strap s charac teristics proceed with the following measurements C Resistance Measurement of the wrist strap CUFF ONY Inner Surface 1 Connect the test leads from the Resistance Meter to the PWA 805 Auditor RED and BLACK Rev A January 1995 11 PWA 805 Wrist Strap Auditor Fixture METER receptacles 2 Place the rocker switch in the CUFF ONLY left position IMPORTANT OPERATIONAL NOTE In this Measurement Mode both the LEFT and the RIGHT can electrodes are in
7. 995 NOTES PWA 805 Wrist Strap Auditor Fixture 17 PWA 805 Wrist Strap Auditor Fixture NOTES 18 Rev A January 1995 Specifications are subject to change without notice All Prostat trademarks and trade names are the property of Prostat Corporation All other trademarks and trade names are the property of their respective companies CARRIED BY PROFESSIONALS B PROFESSIONAL STATIC CONTROL PRODUCTS Prostat Corporation Corporate Headquarters 1072 Tower Lane e Bensenville IL 60106 630 238 8883 Fax 630 238 9717 1 855 STATIC1 www prostatcorp com
8. Attach an auxiliary test lead to the adjustable can electrode right side of the fixture Use a straight test lead equipped with banana plugs and two alligator clip Select the CONTINUITY TEST position on the Resistance Meter Touch the free end of the installed test lead to the PWA 805 fixed can electrode the can on the left side of the fixture Select the fixture rocker switch left position labeled CUFF ONLY Push the TEST button on the Resistance Meter The Resistance Meter should indicate 0 Ohms Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture Figure 4 PWA 805 Continuity Test of Cuff Only Function CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied 1 If the Resistance Meter indicates 0 Ohms the continuity test for the CUFF ONLY test function is acceptable and all functional tests are completed 2 If the meter indicates infinity or a high resistance check the rocker switch position and test lead connections and repeat the continuity test 3 If the Resistance Meter does not indicate 0 Ohms do not use the PWA 805 Auditor Contact Prostat Customer Service IV PWA 805 Wrist Strap Auditor Resistance Measurement Operation A General 1 This operation will provide the four following resistance measurements a Resistance of a wrist strap from the inner surface middle position of the cuff to the end of the grounding cord This measuremen
9. DS TO DEFINE THE PROPER RESISTANCE RANGE FOR OPERATIONAL WRIST STRAP ASSEMBLIES c Reposition the cuff by sliding it 90 degrees around the can electrodes Repeat the cuff mea surement with buckle between cans D Resistance Measurement of the wrist strap CUFF ONLY Outer Surface 1 Connect the test leads from the Resistance Meter to the PWA 805 Auditor RED and BLACK METER receptacles 2 Place the rocker switch in the CUFF ONLY left position IMPORTANT OPERATIONAL NOTE In this Measurement Mode both the LEFT and the RIGHT can electrodes are in the measurement circuit 3 Mount the wrist strap cuff to the PWA 805 fixture as follows Note Be sure the ground cord is disconnected a Loosen the adjustable RIGHT can electrode and slide it toward the LEFT can electrode b Position the outer surface of the cuff against the LEFT can electrode and hold it firmly in position with your left hand Position the buckle between the 2 cans c With your right hand stretch the cuff over and onto the adjustable RIGHT can electrode IMPORTANT OPERATIONAL NOTE Position the cuff buckle between the can electrodes to prevent the buckle from affecting the outer cuff resistance measurement d Slide the adjustable RIGHT can electrode toward the right side of the fixture until there are 1 to 2 pounds of tension on the wrist strap cuff e Tighten the RIGHT can electrodes locking screw Rev A January 1995 13 PWA 805 Wrist
10. WRIST STRAP AUDITOR FIXTURE PWA 805 User Manual B PROSTAT Table of Contents PROSTAT PWA 805 WRSIT STRAP AUDITOR FIXTURE feof i Battery Installation amp General Maintenance VI Normal Operations VII Functionally Testing the PMT 872A 3 General Specifications 17 he o Copyright 2012 by Prostat Corporation All rights reserved Printed in the United States of America No part of this manual may be used or reproduced in any manner whatsoever without written permission For information contact Prostat Corporation 1072 Tower Lane Bensenville IL 60106 USA Prostat is the registered trademark of Prostat Corporation PWA 805 Wrist Strap Auditor Fixture I Introduction The Prostat PWA 805 Wrist Strap Auditor is designed to determine the condition of a wrist strap as sembly Used with the PRS 801 or PRS 812 Resistance Meters a resistance measurement can be made of the full assembly cuff and cord the cuff only or the cord only This measurement will define the operable condition of any standard wrist strap A The PWA 805 unit approximates the basic electrical measurement requirements of the ANSI ESD 1 1 wrist strap standard The intent of the PWA 805 is to provide the ESD auditor with a convenient fixture to measure the exact resistance characteristics of a wrist strap rather than generally estimate its approximate resistance range with an indicating checker The PWA 805 will provide the four followi
11. following wrist strap components a The Cuff and Grounding Cord b The Cuff Only c The Grounding Cord Only PWA 805 Wrist Strap Auditor Fixture OKOL PWA 805 Wrist Strap Auditor OO gy LU rR Os Tat CORPORATION SEL MNURST IL Sorte CUFF amp CORD Figure 1 PWA 805 Layout B Functional Test of the PWA 805 Wrist Strap Auditor Fixture 1 Functional Continuity Test of the CUFF amp CORD measurement function a Connect the test leads from the Resistance Meter to the PWA 805 Auditor METER recep tacles NOTE Prior to using the Resistance Meter read the Operations Manual b Plug an auxiliary test lead into the YELLOW CORD receptacle Use a straight test lead equipped with banana plugs For ease of handling install an alligator clip on one end of the test lead c Select the CONTINUITY TEST position on the Resistance Meter d Touch the free end of the installed test lead to the PWA 805 adjustable can electrode the can on the right side of the fixture equipped with a knurled slotted locking screw e Select the fixture rocker switch middle position labeled CUFF amp CORD Figure 2 PWA 805 Continuity Test of Cuff amp Cord Function 6 Rev A January 1995 f PWA 805 Wrist Strap Auditor Fixture Push the TEST button on the Resistance Meter The Resistance Meter should indicate 0 Ohms CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied
12. ng resistance measurements 1 Resistance of a wrist strap from the inner middle position of the cuff to the end of the ground ing cord 2 The resistance between two points on the inner surface of the cuff 3 The resistance between two points on the outer surface of the cuff 4 The resistance between the cord cuff snap and ground connection Il Cautions amp Warnings A As with any electrical device use proper electrical precautions to avoid personnel shock 1 The PWA 805 Wrist Strap Auditor fixture operates with power input from the Resistance Meter at 10 to 100 volts and is capable of delivering an annoying shock to any person touching it 2 Although the current capability is limited a distinct HAZARD EXISTS in the person s reaction to the shock 3 To avoid personnel shock do not touch the can electrodes when power is applied to the fixture CAUTION To avoid electrical shock do not touch the fixture s can electrodes when power is being applied The PWA 805 is designed to be used in audit environments at test voltages of 100 volts or less Exceeding 100 volts greatly enhances the risk of personnel shock hazards and may damage the fixture WARNING Operational test voltages should not exceed 100 volts in the audit environment Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture C DO NOT USE THE PWA 805 AUDITOR if it fails to pass its functional test F G CAUTION
13. p cuff to the PWA 805 fixture for this test If it is mounted it is not part of the measurement circuit and may remain in position 4 Plug the wrist strap s ground cord banana plug into the YELLOW CORD receptacle 5 Attach the buckle connection snap assembly to either the 7 mm or 4 mm snap post 6 The wrist strap ground cord is now mounted on the PWA 805 fixture Be sure The ground cord banana plug is fully inserted into the YELLOW CORD receptacle Figure 8 Resistance Measurement of a wrist strap Cord only 7 Select the 10 volt position on the Resistance Meter and push the TEST button to obtain a resis tance measurement CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied OPERATIONAL HINT During the measurement one might wish to check for opens in the ground cord or poor connections by stretching various parts of the cord and observing the meter indication Wiggling the snap connections may indicate a loose fitting snap a Most US wrist strap cord assemblies are designed to measure approximately 1 0x10 Ohms 20 percent i e 8 0x10 to 1 2x10 Ohms b Specially designed wrist straps used in munitions are lower in resistance while others are designed for higher resistance levels as in someinternational markets c Defective wrist straps will measure well above 1 0x10 Ohms CHECK YOUR ESD OPERA TIONS STANDARDS TO DEFINE THE PROPER RESISTANCE
14. r indicates 0 Ohms the continuity test for the 7 mm CORD ONLY test function is acceptable Proceed to the 4 mm CORD ONLY functional test 2 If the meter indicates infinity or a high resistance check the rocker switch position and test lead connections and repeat the continuity test 3 If the Resistance Meter does not indicate 0 Ohms do not use the PWA 805 Auditor Contact Prostat Customer Service Touch the free end of the installed test lead to the PWA 805 4 mm male CORD SNAP termi nal Select the fixture rocker switch right position labeled CORD ONLY Push the TEST button on the Resistance Meter The Resistance Meter should indicate 0 Ohms CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied 1 If the Resistance Meter indicates 0 Ohms the continuity test for the 4 mm CORD ONLY test function is acceptable Proceed to the CUFF ONLY functional test 2 If the meter indicates infinity or a high resistance check the rocker switch position and test lead connections and repeat the continuity test 3 If the Resistance Meter does not indicate 0 Ohms do not use the PWA 805 Auditor Contact Prostat Customer Service 3 Functional Continuity Test of the CUFF ONLY measurement function a Connect the test leads from the Resistance Meter to the PWA 805 Auditor METER recep tacles NOTE Prior to using the Resistance Meter read the Operations Manual
15. t indicates the maximum resistance between the user and an ESD common ground point b The resistance between two points on the inner surface of the cuff Properly used this measurement defines the continuity of the inner cuff s surface between 2 points 180 apart 1 Thus proper connections of the cuff to the wrist buckle may be confirmed 2 The continuity around the entire perimeter of the inner cuff surface may be confirmed Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture 10 c The resistance between two points on the outer surface of the cuff This measurement confirms the insulative characteristics of the cuffs outer surface d The resistance between the ground cord s cuff snap and its connection to ground This measurement performs two functions 1 It allows the operator to check the ground cord for opens 2 It measures the total resistance of the ground cord conductor resistor and connection points 2 The following procedures require the use of the Resistance Meter Be sure to read its Opera tions Manual and perform its Functional Test prior to using B Resistance Measurement of a wrist strap assembly CUFF amp CORD 1 Connect the test leads from the Resistance Meter to the PWA 805 Auditor RED and BLACK METER receptacles 2 Place the rocker switch in the middle CUFF amp CORD position IMPORTANT OPERATIONAL NOTE The LEFT can electrode in the CUFF amp CORD measurement
16. the measurement circuit 3 Mount the wrist strap cuff to the PWA 805 fixture as follows a Loosen the adjustable RIGHT can electrode and slide it toward the LEFT can electrode b Position the inner surface of the cuff buckle against the LEFT can electrode and hold it firmly in position with your left hand c With your right hand stretch the cuff over and onto the adjustable RIGHT can electrode d Slide the adjustable RIGHT can electrode toward the right side of the fixture until there are 1 to 2 pounds of tension on the wrist strap cuff e Tighten the RIGHT can electrodes locking screw 4 Disconnect the wrist strap s ground cord from the cuff buckle 5 The wrist strap cuff is now mounted on the PWA 805 fixture Be sure the cuff is positioned smoothly on the sides of the two can electrodes BUCKLE ON LEFT CAN 0 CUFF ONLY POSITION Figure 6 PWA 805 Resistance Measurement of the wrist strap Cuff Only Inner Surface 6 Select the 10 volt position on the Resistance Meter and push the TEST button to obtain a resis tance measurement 12 Rev A January 1995 PWA 805 Wrist Strap Auditor Fixture CAUTION To avoid electrical shock do not touch the fixture can electrodes when power is being applied a Most US wrist strap cuffs are designed to indicate very conductive well below 1 0x10 Ohms b Defective wrist strap cuffs will measure well above 1 0x10 Ohms CHECK YOUR ESD OPERA TIONS STANDAR
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